89784038 has 8 divisors (see below), whose sum is σ = 142598232. Its totient is φ = 42251296.

The previous prime is 89784031. The next prime is 89784041. The reversal of 89784038 is 83048798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×89784038² = 16122346959170888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89783983 and 89784001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89784031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320320 + ... + 1320387.

It is an arithmetic number, because the mean of its divisors is an integer number (17824779).

Almost surely, 2^89784038 is an apocalyptic number.

89784038 is a deficient number, since it is larger than the sum of its proper divisors (52814194).

89784038 is a wasteful number, since it uses less digits than its factorization.

89784038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640726.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 89784038 is about 9475.4439473832. The cubic root of 89784038 is about 447.7817382558.

The spelling of 89784038 in words is "eighty-nine million, seven hundred eighty-four thousand, thirty-eight".